EP2728765A3 - Power feeding path switching device and power feeding system - Google Patents
Power feeding path switching device and power feeding system Download PDFInfo
- Publication number
- EP2728765A3 EP2728765A3 EP13181329.7A EP13181329A EP2728765A3 EP 2728765 A3 EP2728765 A3 EP 2728765A3 EP 13181329 A EP13181329 A EP 13181329A EP 2728765 A3 EP2728765 A3 EP 2728765A3
- Authority
- EP
- European Patent Office
- Prior art keywords
- power feeding
- relay
- feeding path
- switching device
- path switching
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B3/00—Line transmission systems
- H04B3/02—Details
- H04B3/44—Arrangements for feeding power to a repeater along the transmission line
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H9/00—Details of switching devices, not covered by groups H01H1/00 - H01H7/00
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B10/00—Transmission systems employing electromagnetic waves other than radio-waves, e.g. infrared, visible or ultraviolet light, or employing corpuscular radiation, e.g. quantum communication
- H04B10/80—Optical aspects relating to the use of optical transmission for specific applications, not provided for in groups H04B10/03 - H04B10/70, e.g. optical power feeding or optical transmission through water
- H04B10/806—Arrangements for feeding power
- H04B10/808—Electrical power feeding of an optical transmission system
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
- Relay Circuits (AREA)
Abstract
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2012240848A JP6044274B2 (en) | 2012-10-31 | 2012-10-31 | Feed path switching device and feed system |
Publications (2)
Publication Number | Publication Date |
---|---|
EP2728765A2 EP2728765A2 (en) | 2014-05-07 |
EP2728765A3 true EP2728765A3 (en) | 2018-01-03 |
Family
ID=49110983
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP13181329.7A Withdrawn EP2728765A3 (en) | 2012-10-31 | 2013-08-22 | Power feeding path switching device and power feeding system |
Country Status (3)
Country | Link |
---|---|
US (1) | US20140117775A1 (en) |
EP (1) | EP2728765A3 (en) |
JP (1) | JP6044274B2 (en) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US10110321B2 (en) * | 2017-03-16 | 2018-10-23 | Tyco Electronics Subsea Communications Llc | Techniques for providing adaptive power distribution using a multi-node network of power feed branching units (PFBUs) and an undersea optical communication system using same |
JP7151768B2 (en) * | 2018-07-24 | 2022-10-12 | 日本電気株式会社 | Communication system, monitoring device and monitoring method |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS63299721A (en) * | 1987-05-27 | 1988-12-07 | Nippon Telegr & Teleph Corp <Ntt> | Power supply switching system for submarine trunk transmission line |
JPH04256225A (en) * | 1991-02-07 | 1992-09-10 | Fujitsu Ltd | Feeding method and feed line switching circuit for sea-bottom cable communication system |
US5644466A (en) * | 1994-03-17 | 1997-07-01 | Fujitsu Limited | Power feed circuit for use in a submarine cable branching unit |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5036938A (en) * | 1973-08-09 | 1975-04-07 | ||
JPS5799042A (en) * | 1980-12-11 | 1982-06-19 | Nec Corp | Submarine relay system |
JP2624499B2 (en) | 1988-02-29 | 1997-06-25 | 日本電信電話株式会社 | Power supply branch switching method and switching device for submarine cable transmission line |
JP2805197B2 (en) * | 1988-05-16 | 1998-09-30 | 日本電信電話株式会社 | Power supply switching method for submarine relay transmission line |
JPH0436339U (en) | 1990-07-20 | 1992-03-26 | ||
JPH04304716A (en) * | 1991-04-02 | 1992-10-28 | Nec Corp | Submarine cable system power feeding system |
JPH05327561A (en) * | 1992-05-20 | 1993-12-10 | Fujitsu Ltd | Feeding path switching circuit |
US6211632B1 (en) * | 1999-09-08 | 2001-04-03 | Rhine Electronic Co., Ltd. | Direction control device for a ceiling fan |
-
2012
- 2012-10-31 JP JP2012240848A patent/JP6044274B2/en not_active Expired - Fee Related
-
2013
- 2013-08-14 US US13/966,939 patent/US20140117775A1/en not_active Abandoned
- 2013-08-22 EP EP13181329.7A patent/EP2728765A3/en not_active Withdrawn
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS63299721A (en) * | 1987-05-27 | 1988-12-07 | Nippon Telegr & Teleph Corp <Ntt> | Power supply switching system for submarine trunk transmission line |
JPH04256225A (en) * | 1991-02-07 | 1992-09-10 | Fujitsu Ltd | Feeding method and feed line switching circuit for sea-bottom cable communication system |
US5644466A (en) * | 1994-03-17 | 1997-07-01 | Fujitsu Limited | Power feed circuit for use in a submarine cable branching unit |
Also Published As
Publication number | Publication date |
---|---|
JP6044274B2 (en) | 2016-12-14 |
JP2014093539A (en) | 2014-05-19 |
EP2728765A2 (en) | 2014-05-07 |
US20140117775A1 (en) | 2014-05-01 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PUAI | Public reference made under article 153(3) epc to a published international application that has entered the european phase |
Free format text: ORIGINAL CODE: 0009012 |
|
17P | Request for examination filed |
Effective date: 20130822 |
|
AK | Designated contracting states |
Kind code of ref document: A2 Designated state(s): AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR |
|
AX | Request for extension of the european patent |
Extension state: BA ME |
|
PUAL | Search report despatched |
Free format text: ORIGINAL CODE: 0009013 |
|
AK | Designated contracting states |
Kind code of ref document: A3 Designated state(s): AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR |
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AX | Request for extension of the european patent |
Extension state: BA ME |
|
RIC1 | Information provided on ipc code assigned before grant |
Ipc: H04B 3/44 20060101AFI20171124BHEP |
|
STAA | Information on the status of an ep patent application or granted ep patent |
Free format text: STATUS: THE APPLICATION IS DEEMED TO BE WITHDRAWN |
|
18D | Application deemed to be withdrawn |
Effective date: 20180704 |